Home / 87,827,762.35-121,162,568.12-53,009,322.67

Finding the Fourth Proportional to 87,827,762.35, 121,162,568.12 and 53,009,322.67

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Solution

The fourth proportional to 87,827,762.35, 121,162,568.12 and 53,009,322.67 is: 73,128,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827,762.35 : 121,162,568.12 = 53,009,322.67 : x
  2. Step 2: Convert to fraction form
    87,827,762.35/121,162,568.12 = 53,009,322.67/x
  3. Step 3: Cross multiply
    87,827,762.35x = 121,162,568.12 × 53,009,322.67
  4. Step 4: Simplify right side
    87,827,762.35x = 6,422,745,668,393,123
  5. Step 5: Solve for x
    x = 6,422,745,668,393,123/87,827,762.35
  6. Step 6: Final answer
    x = 73,128,877.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.